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c609719b WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
dc17fb6d | 24 | #ifndef __ASSEMBLY__ |
bd2a23ac | 25 | #define __ASSEMBLY__ /* Dirty trick to get only #defines */ |
dc17fb6d | 26 | #endif |
bd2a23ac | 27 | #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */ |
c609719b | 28 | #include <config.h> |
dc17fb6d | 29 | #undef __ASSEMBLY__ |
c609719b | 30 | #include <environment.h> |
5368c55d | 31 | #include <linux/stringify.h> |
c609719b | 32 | |
bd2a23ac | 33 | /* Handle HOSTS that have prepended crap on symbol names, not TARGETS. */ |
c609719b WD |
34 | #if defined(__APPLE__) |
35 | /* Leading underscore on symbols */ | |
36 | # define SYM_CHAR "_" | |
37 | #else /* No leading character on symbols */ | |
38 | # define SYM_CHAR | |
39 | #endif | |
40 | ||
a747a7f3 WD |
41 | /* |
42 | * Generate embedded environment table | |
43 | * inside U-Boot image, if needed. | |
44 | */ | |
c3eb3fe4 | 45 | #if defined(ENV_IS_EMBEDDED) || defined(CONFIG_BUILD_ENVCRC) |
c609719b WD |
46 | /* |
47 | * Only put the environment in it's own section when we are building | |
48 | * U-Boot proper. The host based program "tools/envcrc" does not need | |
49 | * a seperate section. Note that ENV_CRC is only defined when building | |
50 | * U-Boot itself. | |
51 | */ | |
6d0f6bcf | 52 | #if (defined(CONFIG_SYS_USE_PPCENV) || defined(CONFIG_NAND_U_BOOT)) && \ |
bd2a23ac | 53 | defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */ |
c609719b | 54 | /* XXX - This only works with GNU C */ |
bd2a23ac IG |
55 | # define __PPCENV__ __attribute__ ((section(".ppcenv"))) |
56 | # define __PPCTEXT__ __attribute__ ((section(".text"))) | |
c609719b WD |
57 | |
58 | #elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */ | |
bd2a23ac IG |
59 | # define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/ |
60 | # define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/ | |
c609719b WD |
61 | |
62 | #else /* Environment is embedded in U-Boot's .text section */ | |
63 | /* XXX - This only works with GNU C */ | |
bd2a23ac IG |
64 | # define __PPCENV__ __attribute__ ((section(".text"))) |
65 | # define __PPCTEXT__ __attribute__ ((section(".text"))) | |
c609719b WD |
66 | #endif |
67 | ||
68 | /* | |
69 | * Macros to generate global absolutes. | |
70 | */ | |
4087bc88 | 71 | #if defined(__bfin__) |
bd2a23ac IG |
72 | # define GEN_SET_VALUE(name, value) \ |
73 | asm(".set " GEN_SYMNAME(name) ", " GEN_VALUE(value)) | |
4087bc88 | 74 | #else |
bd2a23ac IG |
75 | # define GEN_SET_VALUE(name, value) \ |
76 | asm(GEN_SYMNAME(name) " = " GEN_VALUE(value)) | |
77 | #endif | |
78 | #define GEN_SYMNAME(str) SYM_CHAR #str | |
79 | #define GEN_VALUE(str) #str | |
80 | #define GEN_ABS(name, value) \ | |
81 | asm(".globl " GEN_SYMNAME(name)); \ | |
82 | GEN_SET_VALUE(name, value) | |
c609719b | 83 | |
c609719b WD |
84 | /* |
85 | * Check to see if we are building with a | |
86 | * computed CRC. Otherwise define it as ~0. | |
87 | */ | |
88 | #if !defined(ENV_CRC) | |
bd2a23ac | 89 | # define ENV_CRC (~0) |
c609719b WD |
90 | #endif |
91 | ||
92 | env_t environment __PPCENV__ = { | |
93 | ENV_CRC, /* CRC Sum */ | |
6d0f6bcf | 94 | #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT |
c609719b WD |
95 | 1, /* Flags: valid */ |
96 | #endif | |
97 | { | |
98 | #if defined(CONFIG_BOOTARGS) | |
99 | "bootargs=" CONFIG_BOOTARGS "\0" | |
100 | #endif | |
101 | #if defined(CONFIG_BOOTCOMMAND) | |
102 | "bootcmd=" CONFIG_BOOTCOMMAND "\0" | |
103 | #endif | |
104 | #if defined(CONFIG_RAMBOOTCOMMAND) | |
105 | "ramboot=" CONFIG_RAMBOOTCOMMAND "\0" | |
106 | #endif | |
107 | #if defined(CONFIG_NFSBOOTCOMMAND) | |
108 | "nfsboot=" CONFIG_NFSBOOTCOMMAND "\0" | |
109 | #endif | |
110 | #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) | |
5368c55d | 111 | "bootdelay=" __stringify(CONFIG_BOOTDELAY) "\0" |
c609719b WD |
112 | #endif |
113 | #if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0) | |
5368c55d | 114 | "baudrate=" __stringify(CONFIG_BAUDRATE) "\0" |
c609719b WD |
115 | #endif |
116 | #ifdef CONFIG_LOADS_ECHO | |
5368c55d | 117 | "loads_echo=" __stringify(CONFIG_LOADS_ECHO) "\0" |
c609719b WD |
118 | #endif |
119 | #ifdef CONFIG_ETHADDR | |
5368c55d | 120 | "ethaddr=" __stringify(CONFIG_ETHADDR) "\0" |
c609719b WD |
121 | #endif |
122 | #ifdef CONFIG_ETH1ADDR | |
5368c55d | 123 | "eth1addr=" __stringify(CONFIG_ETH1ADDR) "\0" |
c609719b WD |
124 | #endif |
125 | #ifdef CONFIG_ETH2ADDR | |
5368c55d | 126 | "eth2addr=" __stringify(CONFIG_ETH2ADDR) "\0" |
c609719b | 127 | #endif |
e2ffd59b | 128 | #ifdef CONFIG_ETH3ADDR |
5368c55d | 129 | "eth3addr=" __stringify(CONFIG_ETH3ADDR) "\0" |
e2ffd59b | 130 | #endif |
c68a05fe | 131 | #ifdef CONFIG_ETH4ADDR |
5368c55d | 132 | "eth4addr=" __stringify(CONFIG_ETH4ADDR) "\0" |
c68a05fe | 133 | #endif |
134 | #ifdef CONFIG_ETH5ADDR | |
5368c55d | 135 | "eth5addr=" __stringify(CONFIG_ETH5ADDR) "\0" |
c68a05fe | 136 | #endif |
c609719b WD |
137 | #ifdef CONFIG_ETHPRIME |
138 | "ethprime=" CONFIG_ETHPRIME "\0" | |
139 | #endif | |
140 | #ifdef CONFIG_IPADDR | |
5368c55d | 141 | "ipaddr=" __stringify(CONFIG_IPADDR) "\0" |
c609719b WD |
142 | #endif |
143 | #ifdef CONFIG_SERVERIP | |
5368c55d | 144 | "serverip=" __stringify(CONFIG_SERVERIP) "\0" |
c609719b | 145 | #endif |
6d0f6bcf | 146 | #ifdef CONFIG_SYS_AUTOLOAD |
bd2a23ac | 147 | "autoload=" CONFIG_SYS_AUTOLOAD "\0" |
c609719b WD |
148 | #endif |
149 | #ifdef CONFIG_ROOTPATH | |
8b3637c6 | 150 | "rootpath=" CONFIG_ROOTPATH "\0" |
c609719b WD |
151 | #endif |
152 | #ifdef CONFIG_GATEWAYIP | |
5368c55d | 153 | "gatewayip=" __stringify(CONFIG_GATEWAYIP) "\0" |
c609719b WD |
154 | #endif |
155 | #ifdef CONFIG_NETMASK | |
5368c55d | 156 | "netmask=" __stringify(CONFIG_NETMASK) "\0" |
c609719b WD |
157 | #endif |
158 | #ifdef CONFIG_HOSTNAME | |
5368c55d | 159 | "hostname=" __stringify(CONFIG_HOSTNAME) "\0" |
c609719b WD |
160 | #endif |
161 | #ifdef CONFIG_BOOTFILE | |
b3f44c21 | 162 | "bootfile=" CONFIG_BOOTFILE "\0" |
c609719b WD |
163 | #endif |
164 | #ifdef CONFIG_LOADADDR | |
5368c55d | 165 | "loadaddr=" __stringify(CONFIG_LOADADDR) "\0" |
c609719b WD |
166 | #endif |
167 | #ifdef CONFIG_PREBOOT | |
168 | "preboot=" CONFIG_PREBOOT "\0" | |
169 | #endif | |
170 | #ifdef CONFIG_CLOCKS_IN_MHZ | |
171 | "clocks_in_mhz=" "1" "\0" | |
172 | #endif | |
ad10dd9a | 173 | #if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0) |
5368c55d | 174 | "pcidelay=" __stringify(CONFIG_PCI_BOOTDELAY)"\0" |
ad10dd9a | 175 | #endif |
5e724ca2 SW |
176 | #ifdef CONFIG_ENV_VARS_UBOOT_CONFIG |
177 | "arch=" CONFIG_SYS_ARCH "\0" | |
178 | "cpu=" CONFIG_SYS_CPU "\0" | |
179 | "board=" CONFIG_SYS_BOARD "\0" | |
180 | #ifdef CONFIG_SYS_VENDOR | |
181 | "vendor=" CONFIG_SYS_VENDOR "\0" | |
182 | #endif | |
183 | #ifdef CONFIG_SYS_SOC | |
184 | "soc=" CONFIG_SYS_SOC "\0" | |
185 | #endif | |
186 | #endif | |
bd2a23ac | 187 | #ifdef CONFIG_EXTRA_ENV_SETTINGS |
c609719b WD |
188 | CONFIG_EXTRA_ENV_SETTINGS |
189 | #endif | |
d0fb80c3 | 190 | "\0" /* Term. env_t.data with 2 NULs */ |
c609719b WD |
191 | } |
192 | }; | |
0e8d1586 | 193 | #ifdef CONFIG_ENV_ADDR_REDUND |
c609719b WD |
194 | env_t redundand_environment __PPCENV__ = { |
195 | 0, /* CRC Sum: invalid */ | |
196 | 0, /* Flags: invalid */ | |
197 | { | |
198 | "\0" | |
199 | } | |
200 | }; | |
0e8d1586 | 201 | #endif /* CONFIG_ENV_ADDR_REDUND */ |
c609719b WD |
202 | |
203 | /* | |
204 | * These will end up in the .text section | |
205 | * if the environment strings are embedded | |
206 | * in the image. When this is used for | |
207 | * tools/envcrc, they are placed in the | |
208 | * .data/.sdata section. | |
209 | * | |
210 | */ | |
211 | unsigned long env_size __PPCTEXT__ = sizeof(env_t); | |
212 | ||
213 | /* | |
214 | * Add in absolutes. | |
215 | */ | |
0e8d1586 | 216 | GEN_ABS(env_offset, CONFIG_ENV_OFFSET); |
a747a7f3 WD |
217 | |
218 | #endif /* ENV_IS_EMBEDDED */ |